2 years ago

The circumference of a circle is 15π in. What is the area, in square inches? Express your answer in terms of \piπ.

Mathematics

1 answer:

Elena L [17]2 years ago

3 0

Answer:

the area would be 176.7

Step-by-step explanation:

You know the area of a circle is A = pi×r^2, so you need the radius.

You know C = 2pi×r, so r = C/(2pi)

r = 15pi / 2pi = 7.5

A = pi(7.5)^2 = 56.25pi ~ 176.715 square inches.

The area of the circle is about 176.7 square inches.

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